Xiang Xu (S’14–M’18) received B.S. and M.S. degrees in applied physics from Sun Yatsen University, Guangzhou, China, in 1999 and 2002, respectively, and a Ph.D. degree in cartography and geographical information systems from Sun Yat-sen University, Guangzhou, China, in 2018. From 2002 to 2004, he was a Software Engineer at SunTech Technology Co., LTD. In 2004, he joined the University of Electronic Science and Technology of China, Zhongshan Institute. He is currently a Full Professor at the School of Computer Science, University of Electronic Science and Technology of China, Zhongshan Institute. He has authored and co-authored a total of 33 journal citation report papers and three book chapters. His current research interests include remotely sensed hyperspectral image analysis, biometric technology based on finger vein images, signal processing, pattern recognition, supervised/semisupervised learning, and active learning. Dr. Xu is a Reviewer of more than 10 international academic journals, including IEEE transactions on Geoscience and Remote Sensing, the ISPRS Journal of Photogrammetry and Remote Sensing, Infrared Physics and Technology, etc.